Welcome to our practice test for Medical Laboratory Certification Exams like ASCP and AMT for MLT, CLS and MLS. Test includes General Laboratory, Hematology, Clinical Chemistry, Urinalysis & Body Fluids, Blood Banking & Immunohematology, Serology & Immunology and Microbiology. You have 60 minutes to answer 100 test questions. Good luck!
#1. The Jendrassik-Grof method for bilirubin uses which reagent as an accelerator
#2. Gram negative rigid, helically curved rods exhibiting corkscrew motility by polar flagella
#3. The concept that laboratory personnel should treat all blood and body fluids as capable of transmitting infectious diseases is known as
#4. The antigen marker most closely associated with transmissibility of HBV infection is
#5. The type of immunity that follows the injection of antibodies synthesized by another individual or animal is termed
#6. Only common enzyme normally excreted in the urine
#7. Which of the following blood components must be prepared within 8 hours after phlebotomy
#8. Enzyme used to differentiate liver from bone disease in patients with elevated alkaline phosphatase levels
#9. Which auto-antibodies are associated with Hashimoto thyroiditis?
#10. Which enzyme is present in semen that confirms its presence in alleged rape cases
#11. Antibody allotype is determined by the
#12. A urinary condition that is characterized by an elevated number of red blood cells in the urine.
#13. What is the shelf life of Fresh Frozen Plasma after thawing at 37C?
#14. Dark nodules of hyphae at hair shaft caused by the fungus Piedraia hortae
#15. Complete lack of D, C, E, c or e antigens on red blood cells
#16. The following are types of ketones or ketone bodies that can be seen in urine except
#17. Instrumentation principle in Hematology used to analyze and identify various WBC population based on how light scatters when a high intensity light of a single wavelength is used
#18. When would you need to use an N-95 respirator?
#19. Measurement of intensity of light at a selected wavelength
#20. An unexplained fall in hemoglobin and mild jaundice in a patient transfused with RBCs a week previously would most likely indicate
#21. The following are used for disinfecting surfaces except
#22. When performing a DAT, a control consisting of 6% albumin is run concurrently. What is the result of the control
#23. A patient became hypotensive and went into shock after receiving 50 ml of a unit of RBC. She had chills and a temperature of 40C. Transfusion reaction investigation was initiated but no abnormal results were seen. What additional testing should be performed?
#24. All of the following statements are true about Rh antibodies except
#25. The following are the main reasons for performing a urinalysis except
#26. Reed Sternberg cells are usually associated with which condition
#27. Hypersegmentated neutrophils are associated with
#28. Specimen acquisition and handling factors include the following except
#29. What is Karyorrhexis?
#30. Type of chromatography where the separation is based on differences in solubility between two liquid phases, one of which is aqueous and the other organic
#31. Addison’s disease is characterized by the following except
#32. A colorless by-product of bilirubin reduction. It is formed in the intestines by bacterial action on bilirubin
#33. Which of the following is considered a random error?
#34. What cell type produces bone alkaline phosphatase?
#35. Elevated IgE levels are typically found in
#36. Which of the following is an important cellular mediator of immune complex tissue injury
#37. The only antibody class that significantly crosses the human placenta
#38. What is the first and single most important step in any phlebotomy procedure?
#39. Only hemoglobin not measured by cyanmethemoglobin method
#40. Upon initial typing, the cells from a person with the Bombay phenotype will appear to be which ABO type
#41. The following statements are true except
#42. Vitamin K dependent plasma glycoprotein synthesized in the liver that serves as a cofactor for Protein C
#43. Autoantibodies directed against acetylcholine receptors at neuromuscular junctions is associated with which disease condition
#44. A unit of packed cells is split into 2 aliquots under closed sterile conditions at 8am. The expiration time for each aliquot is
#45. Which two urine analyte are elevated in most cases of neuroblastoma?
#46. The most sensitive assay for all stages of syphilis is
#47. Mixed field agglutination encountered in ABO grouping with no history of transfusion would most likely be due to
#48. Which of the following WBCs are phagocytes?
#49. Tiny structures usually formed by deposits of protein (or other substances) on the walls of renal tubes
#50. A patient with high serum levels of creatine kinase, aldolase, and aspartate aminotransferase but normal levels of alanine aminotransferase most likely has
#51. A 7 year old male child is a candidate for ear tube surgery because of repeated ear infections but he has a persistent prolonged Prothrombin Time. The APTT is normal. Which condition is most likely?
#52. If the antibody screen is positive after the addition of AHG and all crossmatched units are compatible after AHG, what is a probable cause
#53. Auramine-Rhodamine fluorescent staining is used for the differentiation of which organism
#54. The western blot is a confirmatory test for
#55. Which of the following is the best indicator of an acute infection with the hepatitis A virus?
#56. An increase in the concentration of the nonfilterable blood components such as RBC’s, enzymes, iron and calcium as a result of a decrease in the fluid content of the blood
#57. Which of the following fungi causes meningitis and septicemia in immunocompromised hosts?
#58. Most fire extinguishers can be used on
#59. Fibrinogen peaks in electrophoresis appeared between which protein fractions
#60. A unit of RBC’s is issued at 9am and at 9:10am, it is returned to the blood bank. The container has not been punctured but the unit has not been refrigerated during this time span. The best course of action for the tech is to
#61. All species of Bacillus exhibit beta hemolysis except
#62. Federal law that established minimum standards for laboratory practice and quality
#63. Clinical syndrome in which there is an acute, noncardiogenic pulmonary edema associated with hypoxia that occurs during or after a transfusion.
#64. Erythrocyte index that indicates the amount of hemoglobin per average RBC by weight, measured in picograms
#65. Which T cell expresses the CD8 marker and acts specifically to kill tumors or virally infected cells?
#66. Substances that are antigenic only when coupled to a protein carrier are
#67. What is the principle behind the detection of urine nitrites?
#68. This abnormal hemoglobin is caused by valine substitution for glutamic acid in the 6th position
#69. Vitamin K dependent serine protease activated by thrombomodulin on the endothelial cell
#70. According to OSHA, employers must offer this vaccine at no cost to all personnel with Category 1 and Category 2 Exposure Risks
#71. A skeletal disorder that results in soft and weak bones in children due to vitamin D deficiency
#72. Which method of amylase determination measures the absorbance of soluble dye split from insoluble amylase-dye substrate?
#73. Term used to describe the quality control measure in which the most recent patient result is compared with previous result(s)
#74. Which of the following can cause an impairment in neutrophil function
#75. A positive urine bilirubin and a negative urine urobilinogen is an indication of
#76. The partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.
#77. Which immunoglobulin(s) help(s) initiate the classic complement pathway?
#78. What is the specimen of choice for a urine pregnancy test?
#79. How many standard deviations encompasses 95% confidence?
#80. The following serologic tests are used in the diagnosis of celiac disease except
#81. A 4 year old male has a prolonged APTT of 53 seconds. Mixing with normal plasma at a ratio of 1 to 1 yields an APTT of 50 seconds. Which of the following is most likely?
#82. Crystals appearing as flat needle-like structures that are often brown in color. These are associated with the use of a certain antibiotic medication
#83. The following are indications for CSF analysis except
#84. Which lipoprotein moves fastest when subjected to electrophoresis?
#85. A chronic digestive and immune disorder that damages the small intestine triggered by eating foods containing gluten
#86. Which of the following abnormal crystals is associated with stone formation?
#87. Which of the following statements about immunoglobulins is true?
#88. An L/S ratio of 2.7 indicates
#89. The following are sources of error in Hematocrit determinations except
#90. What is the measure of variability expressed as a percentage?
#91. What relationship exists between creatinine concentration and glomerular filtration rate?
#92. If a unit of whole blood is drawn in CPDA-1, how long can it be stored and used
#93. What is the preferred method of preservation of urine if it cannot be examined immediately after it is voided?
#94. Consistent, repeatable error associated with faulty equipment or a flawed experiment design
#95. Unipotent stem cell which differentiates into the effectors of the granulocyte series
#96. Which of the following statements is true of IgE immunoglobulins?
#97. Which of the following statements on testing for urine nitrites is false
#98. These crystals appear colorless and rectangular, with a notch in one or more corners. They can be found in acidic urine
#99. Which of the following is used to provide continuous spectra in the ultraviolet region?
#100. Which of the following conditions is most likely to result in cast formation?
Results
Wow this is tough. Thank you for making this.